OpenTechnical

OT-2026-000057478

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057478) never changes.

Identity and time

Publication numberOT-2026-000057478 · never reused
Internal UUID01a0ae88-2692-7234-be60-2f118dd3801e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057478
StatusPUBLIC

Content hashes

Canonical text8a10ee3cecc68f8b404f673252419194d1f08dafd89f76bf39001f1375503691
Markdown92b25d7ee625937746c12b987c216a5d6be62add723ad9a028345b19eab0e4ff
PDF
Publication pagea89d8827928885b8aaef93c4073991a7484103b0a1ca6c6dbe603a5fb3f9f3eb
Manifestd940cbea54decc359bd42053ac11f9e2e3812b1ab96a97fa77187a1d47fc1c69

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureOfMvtaZdqnzi/AHH2gpdh9WgCNuV1LL6XAawYzWbjC//k6/VTHKi/cmpTZ1kIPfFIgTOm6vmk9VI35mkNrSTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:59.917704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057478
observed a89d8827928885b8aaef93c4073991a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.898723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057478/manifest.json
observed d940cbea54decc359bd42053ac11f9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.879795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057478/publication.md
observed 92b25d7ee625937746c12b987c216a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.859426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057478/publication.txt
observed 8a10ee3cecc68f8b404f673252419194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.